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After Upgrading to windows 10
I have upgraded from windows 7 Ultimate to windows 10 pro. It all upgraded without problems & shows its activated. Now I want to make a ISO of the media so I can do a fresh install from scratch but I have a problem, I can't seem to find out what my new Product key is. I googled around & they suggest using a 3rd party key finder but to be honest I don't like using tools like that.
From reading pre release news & articles from microsoft & so on. We can download the ISO to install fresh but we need to upgrade first to enable to key. What key? I have tried to use my original Windows 7 key but it wont accept it so I presume on upgrading we are issued with a new unique product key for future installations of windows 10, but where & how do we obtain it?